While sanctions will depress Russia's economic performance, they are unlikely to go to an extreme that causes its economic collapse.
https://www.radiosvoboda.org/a/news-us-taylor-russia-sanctions/30340526.html
https://www.gazeta.ru/business/2019/12/23/12879662.shtml
https://rg.ru/2019/12/23/sankcii-ssha-mogut-lish-zatormozit-prokladku-gazoprovoda.html
https://www.kommersant.ru/doc/4205927